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Congratulations, Dr. Chiara Capelli.
Congratulations to Dr. Chiara Capelli who successfully defended her Ph.D. thesis at the beginning of December! During her thesis work, she performed a first search for the neutrinoless double beta decay of 136-Xe with XENON1T data. In particular, she worked on the signal reconstruction in the MeV energy range and achieved the best energy resolution to date in a two-phase xenon time projection chamber, namely 0.8% at 2.458 keV, the Q-value of the 136-Xe decay. This work was published and featured in EPJ-C 80 (2020) 8, 758. For XENONnT, she was responsible for the design, construction and installation of the light calibration system of the VUV-sensitive photosensors, currently used for calibrating the PMTs in the liquid xenon phase. Chiara Capelli also participated in the installation and initial commissioning of the XENONnT TPC: she remained at LNGS (together with another PhD student in our group, Giovanni Volta) during the start of the new pandemic and completed the installation of the TPC underground.